Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows Defender Not Starting After Update

After a Windows update, you might see that Windows Defender (now called Microsoft Defender Antivi...

BitLocker Service Unavailable in Windows 10: Fixes That Work

You go to turn on BitLocker, but the option is grayed out or you get an error that the service is...

How to Fix Kubernetes kubectl Connection Refused

When you run a kubectl command and get a connection refused error, it means kubectl cannot reach ...

Windows Defender Service Troubleshooting Checklist

If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

Windows Update Command Troubleshooting Checklist

Windows Update command-line tools like wuauclt, usoclient, and di...

Set Windows Defender Threat Service to Automatic Startup
If Windows Defender is not running or you see errors like “Threat service has stopped,” the under...